Exhaust› Exhaust Pipes, Systems and Components

Active Autowerke

BMW B58 Catted Downpipe

$1,499.00

SKU: AA-B58-DP-CAT

In Stock
In Stock
Ships by Jul 29
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Active Autowerke BMW B58 Catted Downpipe is an exhaust component designed to enhance performance for BMW B58 engines. It features 4.5-inch diameter stainless steel piping that tapers down to 3.5 inches with a flex joint, before meeting the OEM exhaust system at 80mm. This design aims to improve power, reduce turbo spool time, and increase durability.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandActive Autowerke
Part NumberAA-B58-DP-CAT
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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